Polk County (Des Moines)
August
Weather in Polk County, Iowa for August 2027
Your guide to Polk County weather in August - trends and predictions
In general, the average temperature in Polk County at the beginning of August is 28.2 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.5 °C by the end of August.
Polk County experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 154.2 mm.
Is August a good time to visit Polk County? check out the best time to travel to Polk County page.
✨ Is August a good time to visit Polk County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
29°/18°
Temperatures
19 km/h
Avg max wind
72 %
Avg humidity
Polk County Weather August
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Temperatures trend during August in Polk County
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August weather in Polk County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 29° /17° | 0.8 mm | 8 | |
| Aug. 2 |  Light rain | 28° /17° | 4.6 mm | 7 | |
| Aug. 3 | Patchy rain possible | 29° /18° | 0.1 mm | 8 | |
| Aug. 4 | Light rain | 29° /18° | 4.9 mm | 8 | |
| Aug. 5 | Light rain | 28° /19° | 8 mm | 6 | |
| Aug. 6 |  Moderate or heavy rain shower | 27° /17° | 5.8 mm | 6 | |
| Aug. 7 |  Heavy rain | 28° /17° | 27.8 mm | 7 | |
| Aug. 8 | Patchy rain possible | 28° /17° | 0.4 mm | 8 | |
| Aug. 9 | Patchy rain possible | 27° /18° | 2.3 mm | 7 | |
| Aug. 10 |  Moderate rain | 29° /18° | 21.3 mm | 8 | |
| Aug. 11 | Light rain | 30° /19° | 8.9 mm | 8 | |
| Aug. 12 | Moderate rain | 27° /19° | 14.9 mm | 7 | |
| Aug. 13 | Moderate rain | 28° /17° | 12.6 mm | 6 | |
| Aug. 14 | Light rain | 26° /17° | 8.6 mm | 5 | |
| Aug. 15 |  Thundery outbreaks possible | 30° /18° | 6.8 mm | 6 | |
| Aug. 16 |  Sunny | 31° /18° | 0.3 mm | 8 | |
| Aug. 17 |  Partly cloudy | 29° /18° | 0 mm | 8 | |
| Aug. 18 | Light rain | 30° /18° | 3.1 mm | 6 | |
| Aug. 19 | Light rain | 30° /19° | 3.2 mm | 7 | |
| Aug. 20 | Patchy rain possible | 30° /18° | 0 mm | 7 | |
| Aug. 21 |  Cloudy | 30° /19° | 0.4 mm | 7 | |
| Aug. 22 |  Overcast | 31° /17° | 0.1 mm | 8 | |
| Aug. 23 | Cloudy | 30° /17° | 0.1 mm | 7 | |
| Aug. 24 | Patchy rain possible | 30° /18° | 1 mm | 7 | |
| Aug. 25 |  Mist | 32° /17° | 0.3 mm | 7 | |
| Aug. 26 | Fog | 33° /18° | 0 mm | 8 | |
| Aug. 27 | Partly cloudy | 32° /17° | 0.8 mm | 8 | |
| Aug. 28 | Mist | 31° /15° | 0.8 mm | 7 | |
| Aug. 29 | Patchy rain possible | 34° /17° | 1.1 mm | 7 | |
| Aug. 30 | Patchy rain possible | 30° /17° | 1.9 mm | 6 | |
| Aug. 31 | Moderate rain | 30° /16° | 13.4 mm | 6 | |
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Important Notice
Our weather forecast for Polk County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Polk County forecast closer to your planned date for the most up-to-date weather information.
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Polk County in August - FAQ
What are the expected maximum and minimum temperatures in Polk County during August?
During August, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Polk County during August?
Significant rainfall exceeding 154.2 mm is expected in Polk County during August, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Polk County during August?
The average wind speed in Polk County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Polk County
Explore the daily rainfall trends and prepare for Polk Countys August weather 💧
Typically, Polk County has 10 rainy days in August with a total of 154.2 mm of rainfall.
UV exposure in Polk County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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